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this can be caused by a couple of things..
1-the crank angle sensor..this is located inside of the distributer
2 the ecm[computer],this was a common problem on the older trackers
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Carbureted engines and 1989-90 1.6L TFI engines covered by this guide do not use a Camshaft Position (CMP) sensor or a Crank Angle Sensor (CAS).
1.3L TFI and 1991-98 1.6L Engines
See Figure 1
The CMP sensor used on all 1.3L TFI and 1991 1.6L TFI engines is referred to as the Crank Angle Sensor (CAS).
The Camshaft Position (CMP) sensor is located inside the distributor assembly. The CMP sensor consists of a signal rotor, a stationary magnet, and a stationary Hall-effect switch, which is supplied ignition voltage, and is equipped with its own ground. As the signal rotor spins, magnetic flux from the magnet is applies to the Hall element intermittently. The Hall element generates AC current in proportion with the magnetic flux. The sensor pulse signal is received by the ECM, by which it used to determine crank angle input. The CMP sensor sends four pulses, per complete revolution, to the ECM. The ECM uses the crank angle input to determine when to ground the igniter, thus controlling the ignition coil and ignition timing. If the ECM does not receive the proper signal, it should set a Diagnostic Trouble Code (DTC).
The CMP is located inside the distributor, which is mounted on the rear of the cylinder head.
FIG : Fig. 1: The Camshaft Position (CMP) sensor, or the Crank Angle Sensor (CAS), produces four voltage pulses for each camshaft revolution
1.3L TFI Engine
For all Engine Control Module (ECM) terminal identification, refer to the illustrations earlier in this section.
Suzuki Samurai/Sidekick/Tracker 1986-1998
Engine Control Module (ECM)
See Figures 1, 2, 3 and 4
TFI and MFI Models
See Figures 6 and 7
The ECM is a precision unit consisting of one microcomputer chip, an Analog/Digital (A/D) converter, and an Input/Output (I/O) unit. The ECM is an essential component of the electronic control system, and controls all major systems, such as the fuel injectors, idle air control valve, throttle opener solenoid vacuum valve, etc. The ECM also performs on-board self-diagnostic, back-up, and fail safe functions.
Fig. Fig. 6: The ECM used on fuel injected Samurai models is located behind the glove compartment
Fig. Fig. 7: The ECM used on Sidekick, Tracker, X-90 and Sidekick Sport models is located under the left-hand side of the instrument panel
The ECM used on Sidekick, Tracker, X-90 and Sidekick Sport models is mounted under the left-hand side of the instrument panel. The ECM used on Samurai models is mounted under the right-hand side of the instrument panel.
See Figures 5 and 6
WARNING The ECM is composed of precision parts. Be careful not to expose it to excessive electrical shock.
Sidekick, Tracker and X-90 Models
See Figure 7
Sidekick Sport Models
See Figures 7 and 8
Fig. Fig. 8: To gain access to the ECM, remove the steering column hole cover plate